Data missingness in the Michigan NEMSIS (MI-EMSIS) dataset: a mixed-methods study

Table 2 Agency-level data missingness descriptive statistics (2015)

	Mean	Median	Standard deviation	Range
Age	17.9	6.8	26.4	0–100
Gender	17.3	5.8	27.2	0–100
Race	18.8	7.3	27.5	0–100
Patient Home Zip	18.8	7.3	27.5	0–100
Incident Zip	0.8	0	6.9	0–100
Destination Name	16.5	4.4	27.8	0–100
Destination Code	17.9	4.3	29.7	0–100
Chief Complaint Narrative	16.7	2.9	30.3	0–100
Provider Primary Impression	6	0	15.4	0–100
Medication Allergies	53	50	39.6	0–100
Medical Surgical History	27.2	5	38.6	0–100
Current Medication Name	67.7	86.2	35.3	0–100
Systolic Blood Pressure	54.8	52.9	36.2	0–100
Diastolic Blood Pressure	55.8	54.5	35.7	0–100
Pulse Rate	52.4	46.3	36.6	0–100
Pulse Oximetry	59.4	58.3	34.2	0–100
Respiratory Rate	57.3	63.7	37.4	0–100
Body Temperature	95.2	100	10.2	17.7–100

ISSN: 1865-1380